Pat Cashin posted this video on his clownally blog.
A short time later, I found this video:
Obviously there is a significant lapse of time between these two, almost identical acts. In such a case it could be considered a revival. That’s fine. There is no damage to the original performer’s career. It is also useful for judging the quality of the performance. When you are looking at two people doing the same act, differences can emerge.
I will occasionally post stories about comedy being revived, or gags being reused, or old acts inspiring new ones. It’s all part of the business of comedy. Virtually every joke in the world gets passed around, especially the good ones.